@charset "utf-8";
.tabBody {
  width: 760px;
  height: auto;
  background-color: white;
  margin: 0 auto;
  position: relative;
}
.tab {
  background-color: transparent;
  position: absolute;
}
.tab div {
  display: none;
  width: 760px;
  height: 600px;
  background-color: #0000ff;
}
.tab:hover div {
  display: block;
}
.tab:nth-child(1) span:first-child {
  background-color: #ffffff;
  width: 60px;
  line-height: 38px;
  display: block;
  text-align: center;
  position: relative;
  left: 0;
  z-index: 7;
  border-bottom: 3px #57aed9 solid;
}
.tab:nth-child(2) span:first-child {
  background-color: #ffffff;
  width: 60px;
  line-height: 40px;
  display: block;
  text-align: center;
  position: relative;
  left: 70px;
  z-index: 6;
}
.tab:nth-child(3) span:first-child {
  background-color: #ffffff;
  width: 60px;
  line-height: 40px;
  display: block;
  text-align: center;
  position: relative;
  left: 140px;
  z-index: 5;
}
